Frankly what the point of this exercise is it hard to imagine especially as this is the third of four slow control exercises. It is not difficult but does need you to look up and be relaxed on the handlebars. You need to ride at walking pace - the examiner will follow behind you. Be ready with the rear brake to lose excess speed. Be prepared for the fact that the steering may try to "wander" while moving slowly so don't hold on too tight. If you hold on too tight you will steer into the wobbles and lose balance more easily, so grip the petrol tank with your knees and rest your hands lightly on the controls.